• SYN flood (half open attack)

    SYN flooding is a method that the user of a hostile client program can use to conduct a denial-of-service (DoS) attack on a computer server.

  • digital certificate

    A digital certificate is an electronic "passport" that allows a person, computer or organization to exchange information securely over the Internet using the public key infrastructure (PKI). A digi...

  • COBIT

    COBIT  is a framework for developing, implementing, monitoring and improving information technology (IT) governance and management practices.

  • computer forensics (cyber forensics)

    Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a cou...

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  • Wired Equivalent Privacy (WEP)

    Wired Equivalent Privacy (WEP) is a security protocol, specified in the IEEE Wireless Fidelity (Wi-Fi) standard, 802.11b, that is designed to provide a wireless local area network (WLAN) with a level of security and privacy comparable to what is usua... 

  • Data Encryption Standard (DES)

    Data Encryption Standard (DES) is a widely-used method of data encryption using a private (secret) key that was judged so difficult to break by the U.S. government that it was restricted for exportation to other countries. 

  • Transport Layer Security (TLS)

    Transport Layer Security (TLS) is a protocol that ensures privacy between communicating applications and their users on the Internet. 

  • brute force cracking

    Brute force (also known as brute force cracking) is a trial and error method used by application programs to decode encrypted data such as passwords or Data Encryption Standard (DES) keys, through exhaustive effort (using brute force) rather than emp... 

  • Trojan horse

    In computers, a Trojan horse is a program in which malicious or harmful code is contained inside apparently harmless programming or data in such a way that it can get control and do its chosen form of damage. 

  • Crash Course: Spyware

    In general, spyware is any technology that aids in gathering information about a person or organization without their knowledge. 

  • virus

    In computers, a virus is a program or programming code that replicates by being copied or initiating its copying to another program, computer boot sector or document. 

  • SnortSnarf

    SnortSnarf is a program that was designed for use with Snort, a security program used mainly with Linux networks. SnortSnarf converts the data from Snort into Web pages. It was written in Perl by Jim Hoagland of Silicon Defense. Snort is an open sour... 

  • ping of death

    On the Internet, ping of death is a denial of service (DoS) attack caused by an attacker deliberately sending an IP packet larger than the 65,536 bytes allowed by the IP protocol. 

  • RFID virus

    An RFID (radio-frequency identification) virus is malicious code inserted into an RFID tag to alter or corrupt data in an RFID system.